Watch case



FIG. 1 is a front perspective view of a watch case showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof, the bottom view being a mirror image thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is a right-side view thereof. 

The ornamental design for a watch case, as shown and described. 